Tools for finding adult LSI words?

Hi guys and gals,
I need a tool that scrapes the first ten results on Google SERP and finds what words are mostly used on those pages.
I tried using LSIgraph, but the results are not suitable for adult words.
Any recommendation or any technique to achieve this?

https://ahrefs.com/keyword-generator

You can use Scrapebox Keyword Scraper to find LSI words